Diff Report
Run #52e436ce9c71d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e43719571bf: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #52e436ce9c71dRun #52e43719571bfDiffDiff%
Number of Function Calls121 121 0 0.0%
Incl. Wall Time (microsec)1,038 1,041 3 0.3%
Incl. Wall Time (microsec) per call 9 9 0 0.3%
Excl. Wall Time (microsec)500 506 6 1.2%
Incl. CPU (microsecs)1,131 1,147 16 1.4%
Incl. CPU (microsecs) per call 9 9 0 1.4%
Excl. CPU (microsec)490 512 22 4.5%
Incl. MemUse (bytes)112,104 112,104 0 0.0%
Incl. MemUse (bytes) per call 926 926 0 0.0%
Excl. MemUse (bytes)104,328 104,328 0 0.0%
Incl. PeakMemUse (bytes)17,560 17,560 0 0.0%
Incl. PeakMemUse (bytes) per call 145 145 0 0.0%
Excl. PeakMemUse (bytes)15,016 15,016 0 0.0%

Parent/Child Regression/Improvement report for PDO::prepare [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl. CPU Diff
(microsec)		ICpu
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
PDO::prepare0 N/A% 3 0.3% 16 1.7% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function6 200.0% 22 137.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 3 100.0% 16 100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -3 -100.0% -6 -37.5% 0 N/A% 0 N/A%